Popular Hand Book for Cement and Concrete Users: A Comprehensive and Popular Treatise on the Principles Involved and Methods Employed in the Design and Construction of Modern Concrete Work ...Norman W. Henley Publishing Company, 1911 - 430 стор. |
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Сторінка 12
... inch in diameter . The fuel used is generally finely pulverized coal , which is blown in at the lower end , forming a sheet ... inches in diameter . It is then placed into storage bins and the proper proportions decided upon by chemical ...
... inch in diameter . The fuel used is generally finely pulverized coal , which is blown in at the lower end , forming a sheet ... inches in diameter . It is then placed into storage bins and the proper proportions decided upon by chemical ...
Сторінка 21
... inches in diameter and 1/2 inch thick in the middle and with thin edges on glass plates , and allow them to set . When the pat just resists the pressure of a needle inch in diameter weighted with 1/4 pound it is said to have had its ...
... inches in diameter and 1/2 inch thick in the middle and with thin edges on glass plates , and allow them to set . When the pat just resists the pressure of a needle inch in diameter weighted with 1/4 pound it is said to have had its ...
Сторінка 24
... inches in diameter , one - half inch thick at centre , tapering to a thin edge , shall be kept in moist air for a period of twenty - four hours . ( a ) A pat is then kept in air at normal temperature . ( b ) Another is kept in water ...
... inches in diameter , one - half inch thick at centre , tapering to a thin edge , shall be kept in moist air for a period of twenty - four hours . ( a ) A pat is then kept in air at normal temperature . ( b ) Another is kept in water ...
Сторінка 25
... inches in diameter , one - half inch thick at the centre , and tapering to a thin edge , shall be kept in moist air for a period of twenty - four hours . ( a ) A pat is then kept in air at normal temperature and observed at intervals ...
... inches in diameter , one - half inch thick at the centre , and tapering to a thin edge , shall be kept in moist air for a period of twenty - four hours . ( a ) A pat is then kept in air at normal temperature and observed at intervals ...
Сторінка 30
... inch , its body being unaffected . Two inches of good concrete is ample protection against fire for I - beams or steel rod reinforcements . " When brick and terra - cotta are heated , no chemical action occurs , but when concrete is ...
... inch , its body being unaffected . Two inches of good concrete is ample protection against fire for I - beams or steel rod reinforcements . " When brick and terra - cotta are heated , no chemical action occurs , but when concrete is ...
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50 cents abutment acid aggregate applied arch asphalt barrel bars bending bottom brick bridge broken stone building carrying cent centre chapter coat color columns compression compressive stress concrete blocks consists construction cost cracks crete cubic cubic foot depth diameter employed engineer face feet filled finish floor forms formula foundation girders gravel grout gypsum hardening horizontal hydraulic lime inches lath lime load machine manufacture masonry material metal method mixer mixing mixture mortar mould O'CONOR SLOANE obtained ornamental pile pipe placed plaster plaster of Paris Portland cement posts practical pressure Price proportions reinforced concrete reinforced-concrete removed resistance retaining walls rods Rule sand sewer shear slab slaked lime space span steel stirrups strength stress structure stucco surface tamped tanks tensile stresses tension tests tile trowel tunnel vertical waterproofing weight wire wooden
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Сторінка 25 - Pats of neat cement about three inches in diameter, one-half inch thick at the center, and tapering to a thin edge, shall be kept in moist air for a period of twenty-four hours.